Navajo Peak/Chama River, Summervile tracksite (Jurassic to of the United States)

Where: Rio Arriba County, New Mexico (36.5° N, 103.7° W: paleocoordinates 30.1° N, 49.0° W)

• coordinate stated in text

When: Summerville Formation, Late/Upper Callovian to Late/Upper Callovian (164.7 - 157.3 Ma)

• about 13 m above Todilto-Summerville contact

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; fine-grained, micaceous, gray, yellow sandstone

• "yellowish gray (5Y8/1) to very light gray (N8), fine-grained micaceous litharenite

Size class: macrofossils

Preservation: trace

Primary reference: S. G. Lucas, T. E. Williamson, J. W. Estep, A. P. Hunt, and O. J. Anderson. 1996. Jurassic fossil vertebrates from New Mexico. In M. Morales (ed.), The Continental Jurassic. Museum of Northern Arizona Bulletin 60:235-241 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 38874: authorized by Matthew Carrano, entered by Matthew Carrano on 12.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia - Eubrontidae
Megalosauripus sp. Lessertisseur 1955 theropod
one trackway